阅读单项技能突破(五)主旨题Passage1It's2009.Youfeelsick,soyougotothedoctor.Shechecksyourfever,looksatyourthroat,andaskswhatyou'vebeenthinkingaboutlately.Whenyouleave,shegivesyousomemedicine,butalsoalistofthinkingskillsthatyouaresupposedtopracticedaily.Shesaysthatthewayyouthinkiscausingsomeofyourillness.Doctorsandotherscientistswhostudythehumanmindandtrytoexplainwhypeoplebehaveinthewaythattheydo,calledpsychologists,arestartingtobelieveit.Youknowthatyourbrainisconnectedtoeverypartofyourbodythroughyournervoussystem(神经系统).Nowscientistshaveprovedthathowyouthinkandfeelcanhaveaninfluenceonthehealthofyourbody.Stress(压力,紧张)iscausedwheneverthereisaproblemorachangeinyourlife.Ofcourse,everybodyhasstressmoreorless;nobody'slifeisperfect.Infact,stressisnecessary.Withoutstress,wewouldneverlearnanythingorgroworchange.Wewouldprobablybeboredtodeath.Buttoomuchstresscanhurtyou.Itcanweakenyourbody'sprotectionsothatyouaremorelikelytocatchdiseases.Itcanevenmakeyoumorelikelytohaveanaccident.Whenyoufeelstress,yourbrainsendsamessagetoyourbodytoproduceachemicalcalledadrenaline(肾上腺素).Adrenalinespeedsupyourbreathingandyourheartbeat.Todayyouhaveadifferentkindofstress.Problemslikeendlesshomeworkortroubleswithyourfamilyarethekindofthingsyoucan'tfightorrunawayfrom,soyoudon'tuseupallthatadrenaline.Itjuststaysbottledupinsideyou,andthat'swhatcandosomethingbadtoyou.Whatcanyoudoaboutstress?First,youcantrytofindwaystochangethingssoyouaren'tundersomuchstress.Youcansetupaplantofinishhomeworkorgotoadoctororapsychologisttotrytoworkthingsoutwithyourfamilyoryourfriends.Butsometimesyoucan'tchangeastressfulsituation.Sometimesyoudon'tevenwantto.Abigchangemightbeagoodchange,butitwillstillbestressful.Thelink(关联)betweenyourbodyandbrainworksintwoways.Yourbodycanhelpyourminddealwithstress.Ifyouareunderstress,youneedtotakeespeciallygoodcareofyourbody.It'simportanttogetenoughsleepandeatnutritiousmeals.Somepeopletakeavitamin-mineralpilleveryday.Anotherthingthatyoucandoisdailyexercise.Ifyougowalkingordo...